Research Article

Online Spectroscopic Study on the Positive and the Negative Electrolytes in Vanadium Redox Flow Batteries

Figure 4

(a) The mean of the spectra of the 30 measurements for the positive electrolyte in Figure 3; (b) the peak wavelength within the measurement range (420 nm–600 nm) of the spectra of the 30 measurements for the positive electrolyte in Figure 3.
453980.fig.004a
(a)
453980.fig.004b
(b)